The Effect of Park and Urban Environments on Coronary Artery Disease Patients: A Randomized Trial
Table 3
The difference in hemodynamic parameters between baseline and 1 min and baseline and 30 min after walking in urban or park environment on the first and the seventh day.
Measurements
Difference 1 min after walking
Difference 30 min after walking
Mean (SE)
value
value
Mean (SE)
value
value
Urban exposure
SBP, mm Hg day 1
14.5 (3.3)
0.008
2.3 (4.4)
0.199
DBP, mm Hg day 1
10.1 (2.5)
0.008
2.0 (2.5)
0.148
HR, b/min day 1
23.1 (6.5)
0.004
−7.6 (5.6)
0.125
SBP, mm Hg day 7
19.1 (5.5)
0.010
12.8 (6.8)
0.064
DBP, mm Hg day 7
6.1 (4.3)
0.150
7.4 (3.9)
0.023
HR, b/min day 7
28.3 (4.9)
0.002
10.9 (5.1)
0.037
Green exposure
SBP, mm Hg day 1
11.4 (5.7)
0.035
0.236
7.2 (6.7)
0.125
0.483
DBP, mm Hg day 1
1.7 (2.3)
0.227
0.018
3.6 (6.7)
0.086
0.264
HR, b/min day 1
15.1 (4.7)
0.010
0.223
3.6 (4.1)
0.275
0.152
SBP, mm Hg day 7
22.3 (5.2)
0.002
0.389
5.0 (5.2)
0.172
0.091
DBP, mm Hg day 7
4.0 (3.9)
0.238
0.356
−2.4 (3.2)
0.258
0.045
HR, b/min day 7
12.7 (4.0)
0.008
0.015
5.3 (4.2)
0.172
0.252
Exact one-tailed value of Wilcoxon test between baseline and 1 min after exposure. **Exact one-tailed value of Mann-Whitney test between exposure groups.
